.container{
    margin: 15px auto;
    width: 920px;
    font-size: 20px;
    border: 2px solid black;
    box-shadow: 1px 1px 1px #000;
}
.menu{
    width: 920px;
    margin:auto;
}
ul li {
    list-style: none;
    display: inline-block;
    padding-left: 20px;
}
ul li .blue {
    text-align: center;
    color: blue;
}
li:hover{
    color: red;
    font-weight: 900;
    text-shadow: 1px 1px .5px red;
}
.pagebody{
}
.leftbar{
    width: 220px;
    height: 300px;
    float: left;
    overflow: auto;
    background: green;
    display: block;
}
.content{
    /*height: 500px;*/
    width: 480px;
    display: inline-block;
    /*clear: left;*/
    background: orange;
}
.rightbar{
    float: right;
    width: 218px;
    height: 250px;
    overflow: hidden;
    background: green;
}
.footer{
    background: gainsboro;
    text-align: center;
    font-size: 16px;
}